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From Munagala Ramanath <...@datatorrent.com>
Subject Re: Creating a common metrics server for internal monitoring
Date Tue, 17 Nov 2015 23:48:18 GMT
Adding some concrete data to Pramod's and David's points, entering a
URL like this on the Sandbox:
yields output like this:
    {"id":"application_1447787413079_0001", ....,
... }
That's buffer server bytes read and written "Per Second Moving Average".


On Tue, Nov 17, 2015 at 2:58 PM, Pramod Immaneni <pramod@datatorrent.com> wrote:
> Some of them are available in system stats like port queue size and are
> exposed via REST and to a stats listener that you can register via the API.
> Some of the others you mentioned can be added.
> On Tue, Nov 17, 2015 at 2:52 PM, Ganelin, Ilya <Ilya.Ganelin@capitalone.com>
> wrote:
>> Hi, all – presently Apex supports surfacing metrics via the AutoMetrics
>> interface, documented here:
>> http://docs.datatorrent.com/autometrics/
>> However, this only provides utility to monitor operators. I would like to
>> provide a more general latency suite - fFor example, I would like to
>> instrument metrics around the BufferServer or the CircularQueue. Not
>> everything in Apex is an operator, and there are other components of the
>> system around which we may want explicit measurements or metrics. Is this
>> something that could exist? I know other projects like Spark have similar
>> efforts, although they are equally underdeveloped :)
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